Note that the peg at 2b need not be changed. It is already set at the vertex of the square (diamond), so the base already lies beyond the 90′ square. It will just lie an additional 1.5″ further beyond the square. The distance from 1b to 3b will be decreased by 4.5″ (3″ from the foul line and 1.5″ from the center of 2b).

So, if you really want to be technical, it NEVER WAS an exact 90′ square because 1b and 3b lie completely inside the square but 2b lies with its center at the vertex and 3/4 of the base actually outside the 90′ square.

]]>Thanks for your information. At this point there is not much detail available from MLB about the bases but teams are assuming that existing pegs will ben used. We have edited the article to show some of your math calculations.

]]>Home to 1st is measured from the point of the plate to the back corner of 1st base(at edge of foul line). So the previous distance from home to first was actually 88’9″. The new distance is 88’6″ if the base plugs are moved to keep the corner at 90′. If fields are using the existing base plugs(which is probably the case) then first base will only be 1.5″ closer to home, so 88’7.5″. This will also mean that 1st base will be 1.5″ in foul territory. Maybe every field will go through the process of digging up and moving all the base plugs.

1st to 2nd and 2nd to 3rd are measured from the back corner of 1st/3rd(at edge of foul line) to center of 2nd base. The current distance between the bases is 88’1.5″. If they using the existing base plugs, then the new distance between bases is 87’10.5″. If the base plugs are moved, then the distance would be 87’9″ and the distance from home to second would also be increased meaning a slightly longer throw for the catcher.

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